Automatic dust-damper for stoves.



INVENTOR PaIented 001. 19, 1915.

- 2 SHEETSSHEET I.

ATTORNEYS H I L. f

S. V. REEVES1 AUTOMATIC DUST DAMPER FOR STOVES.

APPLICATION FILED AUG.9. I915. 1,156,930.

, 3 III) 1 IIIIIIIIIIIIIIII WITNESSES Z.f%

5 9 i COLUDBIA PLANOGRAPH CO" WASHINGTON. D. C

S. V. REEVES. AUTOMATIC DUST DAMPER FOR STOVES.

APPLICATION FILED AUG.9. 1915.

1,156,930. Patented Oct. 19, 1915.

2 SHEETS-SHEET 2.

COLUMBIA PLANOORAPH 60-, WASHINGTON. D. r.

To all whom it Maj "concern." I

SAMUEL'V. nEEvEs; ofi'irnn'nonrinrn, ivnw'zrnnsn'y; "1

. AUTOMATIC DUST-DAMPER FOR ST OVES.

7 Specification of Letters Patent; Pajteflted 001 ;119:1915;Continuation of application Serial No. 852,349; filed Ju1y 2 2, 1914.This application filed. Augu st 9, 1915.

Serial No. 44,422.' I I Be it known thatI; SAMUEL Haddonfield, ,countyof Camden, State of New Jersey, h'ave invented a new andusefulAutomatic. Dust-Damper for Stoves, ot which the following-isaispecification. I y

In a prior application filed by me on July 22nd, 1914, ser1a1 No.852,3et9, of which this, in its broad aspects, is. a continuation, Ihave described and broadly claimedanovel construction of a stove whereinthe parts that they return to their initial or normally closed positiondue to the force of gravity.

Other novel featuresof construction and advantage will hereinafter moreclearly appearin the detailed description of my invention. V

c For the purpose of illustrating vm y invention .I,have shown in theaccompanying herein shown and described K tional view on line 1.

resentsa sectional elevation showing ,the

drawings one form thereof which is at present preferred by me, since thesame will give in practice satisfaotoryand. reliable. re:

sults," although it is, to be understood that the, various'instruinentalities, of which my invention consists can be variouslyarranged and organized and that my invention is not limited to. theprecise arrangement andorganiz'ation' of these instrumentalities asFigure 1 represents a sectionalelevation of a stove in conjunctionwithwhich an automatic dust damper embodying-my invention is employed. Fig.12 represents a sec- Fig. 3 repdamper as assembled with respeetto arighthandfarr'angement of'the stove. Fig. 4 represents aperspectivelview' of the damper and operating means in detached.position. F ig.

V. Rnnvns, a citizen of the United States, residing at 5 representselevation of the counterbalance employed. Fig. -6' represents a planView ,of. the damper. in detached position. Fig. 7 representsaplan viewof a' damper guide, Figs; 8, 9,and lQrepresent elevations ofdetails ofthe construction. Fig. llre'presents a side-elevationof a modified formofactuatin'g arm. Fig. 12 represents a'front elevation ofa portion of mydevice.

Similar numerals of reference indicate corresponding parts in thefigures.

Referring to the drawingsi l have prei:'erre'd 'to illustrate' myinvention inoconnection with stove constructed in accordance with mycopending appli'c'ation to which I have hereinbefore referred but it isof course to. be understood that my invention; isnjot limited to usewith such ty e of, stove but may beemployed in; conjunction with] anyother desired or conventional type 'ofstove mechanism-I It'will be siredform-ofigliiite maybe employedeither purposes of illustration I haveshown in ig.

1 designates an ash wlii was unseen ea as at of the draw-bar or, rockingtype andlfor dust flue 3 carried by. the rear plate 410i I the stoveandcommunicating Wltl'i i'ihe smoke-pipe 5. Inorder that the damper mayrbejeinployed with either a right'or lefthand arrangement. oftliel'parts of thestove,

a flue 6 is'empl'oyed corresponding in const f iction to the flue andhaving 'an ope'ninge'Z the rear pl'at'e t which is closed by means of acover whenthe left hand 'arrangement of the'parts isemploye'd. 8'designates the j dust damper which provided with anfoutwardly extendingarm 9 having afplurality jotspaced apertures'lO her h bug i nd prov dedw h .po gor 1,ug.'1l'theoi ter,. ifv i a ly na'lQQ ltour'; as at 12,. 1di in'fthe present instance, such, endis shown as being rectangular'.The postl l is provided with an: ap

ertlire 13"adapted to receive a cotterpin 14 and the side of the damper8foppositethe post llfis provided with a dowel pin 15L 16 designatesalink having near'one end th re f 5 n ly e shap d pe g l7 tangular; end12 oftheipost -"l he end 1o5' which in tlIQPljGSGHUlIlSttLIlQG, is maderec; tangular in order to be rece ved 'on,the rec- 12 is provided withan aperture 18 through which is adapted to pass a fastening device suchas, for example, a cotterpin 19 in order to maintain the parts inassembled position. The opposite end of the link 16' is provided with aplurality of spaced apertures 20 through a desired one of which isadapted to pass a fastening device 21 such as, forexample, afeotterpin,said pin also passing through one of the longitudinally spaced apertures22 of a link 28. The opposite end of said link 23 is provided with aplurality of longitudinally spaced apertures 2% through which is adaptedto pass a fastening device, such as for example, a cotterpin 25, whichalso passes through one of the longitudinally spaced ape rtures'26 atthe end'of the extension 27 of a rod 28. The rod 28 passes through oneof the apertures 29 in the rear plate of the stove and also through oneof the apertures 30 in the front plate of the stove and its outer end isadapted to be connected with an arm 32 in desired manner. In the presentinstance I have shown this as being accomplished by having the end ofthe rod 28 in threaded engagement with the; arm 32and fixed in positionby means of a pin 33 passing throughsaid arm and rod. The arm 32terminates in lateral extension 84 which rests upon or in closeproximity to outer end of the grate actuating member 85, illus- 36designates a 7 wei ht or counterbalance having a recess 37 adapted toreceive the dowel pin 15 of the damper, 8 and the counterbalance isprovided at its outer end with spaced apertures 38' located at oppositesides of the counterweight.

89 designates a fa'steningdevice, such as for. example a bolt and nut,the bolt being adapted to pass through predetermined apertures 10 and3,8, in order to maintain the counterweight 36 in assembled conditionwith respect to the damper 8. The rear plated of the stove is providedin proximity to each dust flue 3 and 6 with an opening l0 adapted toreceive a dowel pindl carried by a guide l2 which latter is secured tothe rear plate at by means of a fastening device passing through one ofthe apertures tl in the rear plate' l of the stove.

The guide bracket or plate 42 is provided with an ofi-set portion 4:5thereby forming a shoulder d6, in proximity to which the damper 8travels and the off-set portion 45 forms a flange to guide the damper.during it movement. 7 v

In some cases the actuating arm 47, seen 1n Fig. 11, may be employed andprovided \vlth a deflected rounded portion 48 adapted to fit over the.actuating member of the grate such as, for example, thedrawbar, shakerbar or their equivalents.

The movement of the damper 8 toward its closing position is limited bymeans of a lug L9 connected with or forming a part of th r a eve 2 Tnthe operation of my device, assuming that the parts are constructed asseen in Fig.

28 and through the cooperation of links 2 16 he, d mp wi l be w ms wwardly,

ns t the P v sion f the coun er time zfi he damper w ll r ur t i initialor closed position as soon as the grate actuating element. is en wed .1th r t astua i g inemb ri Th e struetion 9f th nd of th amper actuatingarms, such as 320i may be constructed desired manner and locat d e her nli o fly Q X riQ r 9 t teve and th end hereo iii pr xi i y to he st tsuatin ba il ar n w r mi it th onstr on of $1161 ar- It W ll heappare'nfree? Fi 3 an 4 that th d mp r ma e readi y a ust for either a right orleft-hand arrangement if the p r s. a in slthe, Par r shown withleft-hand arrangement 0f the stove, while in Fig. 3 the parts are shownin, the positions they assume with a rightl and arrangement of theparts.

The amount of movement imparted to the damper may readily varied byadjusting the fastening devices 2 5 or 21, it being noted that in theform illustrated, a plurality of ap- 'tures are provided the link 28with which such fastening devices are adapted to cotiperate so that thelength of stroke of the damper 8, may vary accordance with theconditions and requlrements met with in practice. w

It will be apparent from the foregoing that the damper is normallymaintained in closed position by means of a counterbalance means a eempl ed ter t e y Q0 nected with the damper and extending in Pr xim y hr te a' ti a ins m m wherebywhen the shaking element or imple ment'is'assembled with respect to, the grate t a in me ber it ll effect t eperat of the latter and cause the damper to open q w eti l by mean ftflue pe in with the ash pit and the exhaust flue leading to the smokepipe of the stove.

' Attention is directed to; the fact that the Par s of he d mpe mchanism are w structed in such a manner that they can be arranged foreither a right or leftehand a e t, of th l -le r I al ov erov means tolimit the movement of the damper on its return movement-"sosthatthedamper will be maintained in-closed position at all times except;when it is.desired to shake the grate. A

Attention is.also directed to the manner in which the various parts areconstructed in order that the amount'of movement im- 7 parted to thedamper maybe. varied as desired.

I have preferred to y the damper mechanism located within and a portionlocated without the stove, but it will be apparent that the entiredamper mechanism may be located either interiorly or exteriorly of thestove and still be within the scope of my invention.

It will further be apparent that, if desired, I may dispense with thecounterbalance 36, since the parts connected with the damper may havethe desired weight to effect the return of the parts to their normalposition or the arm, such as 32 or 47, may be weighted in order toaccomplish this purpose, it being seen that in such event, the

parts of the damper are returned to their initial or normal position,

due to force of gravity. The portion of the actuating arm extending inproximity to the grate preferably is of a contour conforming to thecontour of the end of the actuating member of the grate.

It will be apparent that my device may be used in connection with anydesired type of a grate, in which a member is provided to effect theshaking thereof and the passage 1 of the ashes into the ash pit.

It will now be apparent that I have de' vised a novel and usefulconstruction of an automatic dust damper for stoves which embodies thefeatures of advantage enumerated as desirable in the statement of theinvention and the above description, and While I have, in thepresent-instance, shown and described a preferred embodiment thereofwhich will give in practice satisfactory and reliable results, it is tobe understood that the same is susceptible of modification in variousparticulars without departing from the spirit or scope of the inventionor sacrificing any of its advantages. 7 Having thus described myinvention, what I claim as new and desire to secure by Letters Patent,is

1. The combination with the ash pit, thedust flue, and the actuatingmember of a grate, of a damper controlling said flue, a

counterbalance for said damper, and an arm operatively connected withsaid damper and in proximity to said member, whereby upon the assemblingof a shaker element with said member said damper will be moved to opencommunication between said ash pit anddust flue.

2. The combinationwith the, ash pit, the dust flue, and the actuatingmember ofv a show a portion of the assembling of a shaker element withsaid -member said :damper-willbe moved to open communication betweensaidash pit and dust.

flue, and said counterbalance effecting the return of said damper to itsinitial or closed position.- m I r .3. The combination with the ash pit,the

dust flue, and the actuating member of a grate, of a damper controllingsaid flue, a counterbalance for said damper, an arm operativelyconnected with said damper and in proximity to said member, whereby uponthe assembling of a shaker element with said 7 member said damper willbe moved to open communication between said ash pit and dust flue, saidcounterbalance effecting the return of said damper to its initial orclosed position, and means to stop said damper on its return movement toits initial position.

4;. The combination with the ash pit, the dust flue, and the actuatingmember of a grate, of a damper controlling said dust flue, an arm inproximity to said member and adapted to be moved by the assemblingof a YI shaker element with said member, and means to operatively connect saidarmto said damper to effect a right or a left hand arrangement ofsaid-damper, and the move- 'ment' of said arm effecting the opening ofsaid damper.

, 5. The oombinationwith the ash pit, the

dust fine, and the actuating member of a 'grate, ofa damper controllingsaid flue, a

counterbalance for said damper, and an arm operatively and adjustablyconnected with said damper and in proximity to said member, whereby uponthe assembling of a shaker element with said member said damper will bemoved to open communication between said ash pit and dust flue.

6. The combination with the ash pit of a stove, an exhaust fluecommunicating therewith, and the actuating member of a grate, of adamper controlling said flue, and means in proximity to said member foractuating said; damper whereby when a shaking implement isassembled-with said member it Will be brought into engagement with saidmeans to move the same and actuate the damper.

7. In a stove, the combination with the,

rearplate contributing to form an ash pit and having a flue openingcommunicating with the ash pit, and with the grate actuating member, ofa 'damper pivoted ,to said plate, a counterbalance-for said damper tonormally maintain it-in closed position, a

guide for said damper, a link adjustably connected with saiddamper, arod connected with said llnk, and an arm on said rod and extending intoproximity ating member.

tothe grate actu- 8. In a stove, the combination With the rear platecontributing to form an ash pit and having a flue opening communicatingwith the ash pit, and With the grate actuating member, of a damperpivoted to said plate, a counterbalancefor said damper to normallymaintain it in closed position, a guide .for said damper, a linkadjustably connected with said damper, a rod adjustably connected withsaid link, and an arm on 10 said rod and extending into proximity to thegrate actuating member.

" SAMUEL V. REEVES.

Witnesses:

H. S. FAIRBANKS, C. D. McVAY.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

' Washington, D. C,

